Verrucaria caerulea A32526

Licence: 
Creative Commons Licence
Description: 

Verrucaria caerulea, thallus on Carboniferous limestone, VC64 MW Yorkshire.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith